With these flights, they became the first to successfully pilot a power-driven, heavier-than-air machine ... This lever, operated by the pilot's left hand, was connected by a pulley system ...
When the solenoid is de-energized, it sends the full air supply to one side of the actuator and exhausts the other side to the atmosphere. The effective size of a solenoid valve can be increased by ...
Electro-pneumatic A servo valve that produces pneumatic control in response to an electrical signal input. Pilot Operated A pilot valve activates the valve. Pneumatic The valve is activated by a ...